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三角形内角和

Author:谢鹏

New Resources

  • 【案例】2018年全国1卷理科12题
  • 三位數除以一位數(一)
  • 兩組對邊相等和有直角的四邊形
  • 算柱 (兩位數)
  • 兩位數除以一位數(二)

Discover Resources

  • linear function
  • 平面
  • polygon(first upload)
  • Spiral Polyskelion
  • 繡曲線

Discover Topics

  • Terms
  • Mode
  • Congruence
  • Fractal Geometry
  • Geometric Transformations
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